TY  - BOOK
AU  - Suman Sindhu
TI  - Utilization and maintenance of teaching-learning material (TLM)
SN  - 9788173919831
U1  - 371.9 SUM 
PY  - 2007///
CY  - New Delhi
PB  - Kanishka Publishers, Distributors, 
KW  - Teaching -- Aids and devices -- Preservation
ER  -